The series says 80% of Afghans who formerly interpreted for U.S. troops are unable to acquire a visa to come to the United States. It details their life-threatening concerns in Afghanistan.

"Interpreters have become a very big target of the Taliban and Al-Qaeda," Rep. Adam Kinzinger (R-Illinois.) told Reason.com. "There's been a lot of beheadings of people that have worked with the West."